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How do I access a cookie when my application is in an IFrame on a page from a different domain?

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I have an application that resides in an iframe within a page. The application and the embedding page are from different domains. The application currently uses cookies to track if the user has used the application before. From what I understood from the Mozilla blog, upcoming releases of Firefox will not allow applications reading cookies from third parties, so my application will not work as before. My question is what I can do to my application so that it will continue to work with upcoming releases of firefox?

I have an application that resides in an iframe within a page. The application and the embedding page are from different domains. The application currently uses cookies to track if the user has used the application before. From what I understood from the Mozilla blog, upcoming releases of Firefox will not allow applications reading cookies from third parties, so my application will not work as before. My question is what I can do to my application so that it will continue to work with upcoming releases of firefox?

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Try posting at the Web Development / Standards Evangelism forum at MozillaZine. The helpers over there are more knowledgeable about web page development issues with Firefox.
http://forums.mozillazine.org/viewforum.php?f=25
You'll need to register and login to be able to post in that forum.